OS Boot Time : 2020-10-17T21:41:02 Time Since Boot : 17h 30m 55s OS Name : macOS OS Version : 10.15.7 OS Build : 19H2 OS Kernel Version : Darwin 19.6.0 SAT SMART Driver Version : N/A ATA Command Support Tolerance : verypermissive N of drives in report : 1 ### DRIVE 1 OF 1 ### Last Checked : 18 October 2020 15:11:42 BST Last Checked (ISO 8601 format) : 2020-10-18T15:11:42 Advanced SMART Status : OK Overall Health Rating : GOOD 94.9% Overall Performance Rating : GOOD 100% SSD Lifetime Left Indicator : GOOD 95.0% Issues found : 1 Serial Number : 16291348BCC5 WWN Id : 5 00a075 11348bcc5 Volumes : Macintosh HD Device Path : /dev/disk1 Total Capacity : 525.1 GB (525,112,713,216 Bytes) Model Family : Crucial/Micron MX300 SSD Model : Crucial_CT525MX300SSD1 Form Factor : 2.5 inches Firmware Version : M0CR021 Drive Type : SSD Power On Time : 204 hours (8 days 12 hours) Power Cycles Count : 10,591 Current Power Cycle Time : 17.5 hours === DEVICE CAPABILITIES === S.M.A.R.T. support enabled : yes DriveDx Active Diagnostic Config : Crucial (Micron) MX300 SSDs config [ssd.micron.crucial.mx300] Sector Logical Size : 512 Sector Physical Size : 512 Physical Interconnect : SATA Logical Protocol : SATA Removable : no Ejectable : no ATA Version : ACS-3 T13/2161-D revision 5 SATA Version : SATA 3.2, 6.0 Gb/s (current: 6.0 Gb/s) Bay # : 1 I/O Path : IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SATA@1F,2/AppleIntelPchSeriesAHCI/PRT0@0/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice Attributes Data Structure Revision : 16 SMART Command Transport (SCT) flags : 0x35 SCT Status supported : yes SCT Feature Control supported : yes SCT Data Table supported : yes Error logging capabilities : 0x1 Self-tests supported : yes Offline Data Collection capabilities : 0x7b Offline Data Collection status : 0x0 Auto Offline Data Collection flags : 0x0 [Known device ]: yes [Drive State Flags ]: 0x40000000 === CURRENT POWER CYCLE STATISTICS === Data Read : 2.4 GB Data Written : 651.0 MB Data Read/Write Ratio : 3.70 Average Throughput (Read) : 15.7 MB/s Average Throughput (Write) : 58.5 MB/s Operations (Read) : 122,601 Operations (Write) : 34,982 Operations Read/Write Ratio : 4 Throughput per operation (Read) : 20.1 KB/Op Throughput per operation (Write) : 19.1 KB/Op Latency Time (Read) : 0 ns Latency Time (Write) : 0 ns Retries (Read) : 0 Retries (Write) : 0 Errors (Read) : 0 Errors (Write) : 0 === PROBLEMS SUMMARY === Failed Indicators (life-span / pre-fail) : 0 (0 / 0) Failing Indicators (life-span / pre-fail) : 0 (0 / 0) Warnings (life-span / pre-fail) : 1 (1 / 0) Recently failed Self-tests (Short / Full) : 0 (0 / 0) I/O Error Count : 0 (0 / 0) Time in Under temperature : 0 minutes Time in Over temperature : 0 minutes === IMPORTANT HEALTH INDICATORS === ID NAME RAW VALUE STATUS 5 Reallocated NAND Block Count 12 100% Warning 172 Erase Fail Count Total 0 100% OK 173 Average Block Erase Count 89 94.9% OK 180 Unused Reserve (Spare) Blocks 1,934 100% OK 247 Host Program Page Count 1,263,090,559 (18.8 TB) 100% OK 248 Background Program Page Count 974,211,145 (14.5 TB) 100% OK === TEMPERATURE INFORMATION (CELSIUS) === Current Temperature : 22 Power Cycle Min Temperature : 16 Power Cycle Max Temperature : 22 Lifetime Min Temperature : 11 Lifetime Max Temperature : 49 Recommended Min Temperature : 0 Recommended Max Temperature : 70 Temperature Min Limit : -5 Temperature Max Limit : 75 === DRIVE HEALTH INDICATORS === ID | NAME | TYPE | UPDATE | RAW VALUE | VALUE | THRESHOLD | WORST | LAST MODIFIED | STATUS 1 Raw Read Error Rate Pre-fail online 0x16 100 50 100 - 100% OK 5 Reallocated NAND Block Count Life-span online 12 100 10 100 - 100% Warning 9 Power On Hours Life-span online 204 100 0 100 - 100% OK 12 Power Cycle Count Life-span online 10,591 100 0 100 - 100% OK 171 Program Fail Count Total Life-span online 0 100 0 100 - 100% OK 172 Erase Fail Count Total Life-span online 0 100 0 100 - 100% OK 173 Average Block Erase Count Life-span online 89 95 1 95 - 94.9% OK 174 Unexpected Power Loss Count Life-span online 60 100 0 100 - 100% OK 180 Unused Reserve (Spare) Blocks Pre-fail online 1,934 0 0 0 - 100% OK 183 SATA Downshift Count Life-span online 0 100 0 100 - 100% OK 184 Error Correction Count Life-span online 0 100 50 100 - 100% OK 187 Flash Read Fail Count Life-span online 0 100 0 100 - 100% OK 194 Temperature (Celsius) Life-span online 22 78 25 51 - 70.7% OK 196 Reallocated Event Count Life-span online 12 100 0 100 - 100% OK 197 Current Pending Block Count Life-span online 0 100 0 100 - 100% OK 198 Offline Uncorrectable Block Count Life-span offline 0 100 0 100 - 100% OK 199 UDMA CRC Error Count Life-span online 0 100 0 100 - 100% OK 202 Percent Lifetime Remaining Life-span offline 5 95 1 95 - 94.9% OK 206 Write Error Rate Life-span online 0 100 0 100 - 100% OK 210 Successful RAIN Recovery Count Life-span online 0 100 0 100 - 100% OK 246 Total Host Sector Writes Life-span online 40,409,554,572 (18.8 TB) 100 0 100 - 100% OK 247 Host Program Page Count Life-span online 1,263,090,559 (18.8 TB) 100 0 100 - 100% OK 248 Background Program Page Count Life-span online 974,211,145 (14.5 TB) 100 0 100 - 100% OK === DRIVE ERROR LOG === error log is empty === DRIVE SELF-TEST LOG === # | LIFETIME (H) | TEST TYPE | PROGRESS | STATUS | LBA of 1st error 1 204 Short offline 100% Completed without error - 2 0 Offline 100% Completed without error - === DEVICE STATISTICS === [0x01] General Statistics (revision 1) 0x08 Lifetime Power-on Resets : 10,591 0x10 Power-on Hours : 204 hours 0x18 Logical Sectors Written : 40,409,554,572 (18.8 TB) 0x20 Number of Write Commands : 260,889,030 0x28 Logical Sectors Read : 20,947,928,340 (9.8 TB) 0x30 Number of Read Commands : 155,383,330 [0x04] General Errors Statistics (revision 1) 0x08 Number of Reported Uncorrectable Errors : 0 0x10 Resets Between Cmd Accept. and Compl. : 10,615 [0x05] Temperature Statistics (revision 1) 0x08 Current Temperature : 22 °C 0x20 Highest Temperature : 49 °C 0x28 Lowest Temperature : 11 °C 0x50 Time in Over-Temperature : 0 minutes 0x58 Specified Max Operating Temperature : 70 °C 0x60 Time in Under-Temperature : 0 minutes 0x68 Specified Min Operating Temperature : 0 °C [0x06] Transport Statistics (revision 1) 0x08 Number of Hardware Resets : 32,829 0x10 Number of ASR Events : 92 0x18 Number of Interface CRC Errors : 0 [0x07] Solid State Drive Statistics (revision 1) 0x08 Percentage Used Endurance Indicator : 5.0 %